in that part of the city. dramatic footage there. on top of that -- the water was the part of the story, a wall of it 14 feet high came over the sea wall right into the streets of this city. >> abc's juju chang is there this morning and joins us with the latest. juju? >> reporter: storm surges of up to 11 feet have been battering the southern tip of this island. streets and avenues turning to rivers as the water surrounding manhattan poured over sea walls in the full moon high tide. we were with new york governor andrew cuomo as he watched the water surge at the mouth of one tunnel at the height of the storm. what is your biggest concern at this hour? >> the -- where it stops, that's the first thing, where it stops, when it stops? and what damage it is doing in the meantime? >> reporter: water flooded the newly unveiled ground zero memorial. much it underground. just uptown, the facade of a four-story residential building came toppling down exposing apartments inside leaving no one injured. new york officials were so concerned about